File content as of revision 0:ebf720f1cb0c:

#include "mbed.h"
PwmOut buzzer(p21);
//frekvencija melodije "Lijepa naša"
float frequency[]= {659.3, 659.3, 659.3, 587.3, 587.3, 523.3, 523.3, 392, 349.2, 329.6, 349.2,
                    392, 440, 392, 349.2, 329.6, 349.2, 392, 659.3, 659.3, 659.3, 587.3, 587.3, 523.3, 523.3, 392,
                    349.2, 329.6, 349.2, 392, 440, 493.9, 493.9, 587.3, 523.3, 493.9, 493.9, 493.9, 440, 493.9,
                    493.9, 523.3, 587.3, 493.9, 587.3, 587.3, 587.3, 587.3, 587.3, 523.3, 493.9, 440, 392, 659.3,
                    659.3, 659.3, 587.3, 587.3, 523.3, 523.3, 392, 349.2, 329.6, 349.2, 392, 440, 493.9, 493.9,
                    587.3, 523.3, 0
                   };
//trajanje nota
float beat[]= {1, 1, 1.5, 0.5, 0.5, 0.5, 1, 2, 0.5, 0.5, 0.5, 0.5, 2, 0.5, 0.5, 0.5, 0.5, 2, 1, 1, 1.5, 0.5,
               0.5, 0.5, 1, 2, 0.5, 0.5, 0.5, 0.5, 2, 0.5, 0.5, 1, 2, 1, 1, 1.5, 0.5, 1, 0.5, 0.5, 1.5, 0.5, 0.5, 0.5, 0.5,
               0.5, 1, 1, 1, 1, 2, 1, 1, 1.5, 0.5, 0.5, 0.5, 1, 2, 0.5, 0.5, 0.5, 0.5, 2, 0.5, 0.5, 1, 2, 0.5
              };
int main()
{
    while (1) {
        for (int i=0; i<=70; i++) {
            buzzer.period(1/(frequency[i])); // set PWM period
            buzzer=0.5; // set duty cycle
            wait(0.5*beat[i]); // hold for beat period
        }
    }
}